Read what Airtel officially said about this development.“We are LIVE on WhatsApp. This platform is designed to provide fast and reliable customer service ON THE GO. Kindly add 07010000116, 07010000117, 07010000118, 07010000119 & 07012631111 as a WhatsApp contact.We’ve got you covered”
Users can now chat up with Airtel CC live on whatsapp if you are unable to call them directly.

NOTE: Make sure you chat about important and serious issues, otherwise you'll get banned for life. Don't misuse this.